AutoCodes – Generic – C1473

C1473 Code - Brake System Valves Calibration Data Failure

Quick Answer

The Hydraulic Control Unit (HCU) monitors the Brake Master Cylinder. Common causes include Brake System Bleeding, Faulty Brake Master Cylinder, Faulty Hydraulic Control Unit (HCU). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C1473 indicates Brake System Valves Calibration Data Failure.
Common causes: Common causes include Brake System Bleeding, Faulty Brake Master Cylinder, Faulty Hydraulic Control Unit (HCU).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 951

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1473 Description

The Hydraulic Control Unit (HCU) monitors the Brake Master Cylinder. The HCU sets the OBDII code when the Brake Master Cylinder is not to factory specifications.

OBDII Code C1473 - Brake System Valves Calibration Data Failure - AutoCodes.com — C1473 Code - Brake System Valves Calibration Data Failure

What does this mean?

What are the Possible Causes of the DTC C1473?

Brake System Bleeding
Faulty Brake Master Cylinder
Faulty Hydraulic Control Unit (HCU)
Hydraulic Control Unit (HCU) harness is open or shorted
Hydraulic Control Unit (HCU) circuit poor electrical connection

How to Fix the DTC C1473?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1473 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1473 code?

Need more information on how to fix the C1473 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1473 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1473 Ford — Brake System Valves Calibration Data Failure
C1473 Lincoln — Brake System Valves Calibration Data Failure
C1473 Mercury — Brake System Valves Calibration Data Failure

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1473 Code

1. What are the common symptoms of OBDII code C1473 (Brake System Valves Calibration Data Failure)?

- Common symptoms include the ABS warning light illuminated on the dashboard, issues with the brake system functionality, and possible traction control problems.

2. What can cause the OBDII code C1473 to trigger?

- This code is typically triggered by a failure in the calibration data of the brake system valves, which may be caused by electrical faults, wiring issues, or sensor malfunctions.

3. How serious is the Brake System Valves Calibration Data Failure indicated by code C1473?

- This issue can affect the proper functioning of the brake system, ABS, and traction control systems, so it is important to address it promptly to ensure safe driving conditions.

4. Can I continue driving my vehicle with OBDII code C1473 present?

- It is not recommended to continue driving your vehicle with this code present, as it may lead to compromised brake performance and safety risks.

5. How is the Brake System Valves Calibration Data Failure diagnosed for code C1473?

- Diagnosis involves using a professional OBDII scanner to retrieve the specific code, followed by a detailed inspection of the brake system components to identify the root cause of the calibration data failure.

6. What are some DIY repair tips for addressing OBDII code C1473?

- DIY repair options may include checking and cleaning electrical connections, inspecting wiring for damage, and ensuring proper sensor functionality. However, it is advisable to consult a professional for accurate diagnosis and repair.

7. Can resetting the OBDII code C1473 resolve the issue temporarily?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying cause of the Brake System Valves Calibration Data Failure. It is essential to address the root issue to prevent further problems.

8. How much does it cost to repair OBDII code C1473?

- The cost of repair can vary depending on the specific cause of the issue, the extent of repairs needed, and labor costs. It is advisable to consult a mechanic for an accurate estimate.

9. Are there any recalls or technical service bulletins related to OBDII code C1473?

- It is recommended to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues and solutions.

10. Can a faulty brake system valve cause OBDII code C1473 to appear?

- Yes, a faulty brake system valve can lead to calibration data failure and trigger OBDII code C1473. It is important to inspect and potentially replace any faulty valves to resolve the issue.